DS1390 Maxim, DS1390 Datasheet - Page 24

• Manufacturer Part Number: DS1390
• Description: The low-voltage serial-peripheral interface (SPI™) DS1390/DS1391/DS1394 and the low-voltage 3-wire DS1392/DS1393 real-time clocks (RTCs) are clocks/calendars that provide hundredths of a second, seconds, minutes, hours, day, date, month, and ye
• Manufacturer: Maxim

Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
24
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TOP VIEW
V
V
BACKUP
BACKUP
GND
GND
CS
X1
X2
X1
X2
CE
1
2
3
4
5
1
2
3
4
5
DS1390/
DS1394
DS1392
μSOP
μSOP
10
10
9
8
7
6
9
8
7
6
V
SQW/INT
SCLK
DOUT
DIN
V
SQW
SCLK
I/O
INT
CC
CC
V
V
BACKUP
BACKUP
GND
GND
CE
CS
X1
X2
X1
X2
1
2
3
4
5
1
2
3
4
5
DS1393
DS1391
μSOP
μSOP
Pin Configurations
10
10
9
8
7
6
9
8
7
6
V
SQW/INT
SCLK
I/O
RST
V
RST
SCLK
DOUT
DIN
CC
CC